Polysiloxane-containing rubber composition
    4.
    发明授权
    Polysiloxane-containing rubber composition 失效
    含聚硅氧烷的橡胶组合物

    公开(公告)号:US6121347A

    公开(公告)日:2000-09-19

    申请号:US188695

    申请日:1998-11-10

    IPC分类号: C08K9/06 C08K9/08 C08L21/00

    摘要: A rubber composition having improved properties containing a starting rubber (e.g., diene rubber) and a compounding agent consisting of a silane coupling agent and a carbon black, calcium carbonate or stearic acid powder impregnated with a polysiloxane having the following alkoxysilyl group (I) and/or acyloxysilyl group (II) and having an average degree of polymerization of 3 to 10,000:.tbd.Si--OR.sup.1 (I).tbd.Si--OCOR.sup.2 (II)wherein, R.sup.1 is a substituted or unsubstituted monovalent hydrocarbon group having 1 to 18 carbon atoms or an organic group containing an ether bond and R.sup.2 is hydrogen or a hydrocarbon group having 1 to 21 carbon atoms.

    摘要翻译: 具有改性性能的橡胶组合物,其含有起始橡胶(例如二烯橡胶)和由硅烷偶联剂和炭黑,碳酸钙或硬脂酸粉末组成的配混剂,所述炭黑,碳酸钙或硬脂酸粉末浸渍有具有以下烷氧基甲硅烷基(I)的聚硅氧烷和 (II),平均聚合度为3〜10,000:3 Si-OR 1(I)3 SiSiO OCOR 2(II)其中,R 1为取代或未取代的碳原子数为1〜18的一价烃基 或含有醚键的有机基团,R 2为氢或碳原子数1〜21的烃基。

    Process for production of rubber composition
    6.
    发明授权
    Process for production of rubber composition 失效
    橡胶组合物生产工艺

    公开(公告)号:US6077899A

    公开(公告)日:2000-06-20

    申请号:US952486

    申请日:1997-11-19

    IPC分类号: C08L15/00 C08L9/06 C08L9/00

    CPC分类号: C08L15/00 C08K3/04 C08L9/00

    摘要: (i) A starting rubber (A) comprising a terminal-modified and/or coupled diene rubber and having an average glass transition temperature TgA (.degree. C.) is mixed with a specific amount of the reinforcing agent are mixed at a temperature of at least 135.degree. C., followed by adding a starting rubber (B) comprising a terminal unmodified diene rubber and having a specific average glass transition temperature TgB (.degree. C.), and the remaining reinforcing agent and a softening agent; (ii) a starting diene rubber (A') having a specific weight average molecular weight Mw(A') and average glass transition temperature TgA' (.degree. C.) is contacted with a reinforcing agent, followed by adding a starting diene rubber (B') having a specific weight average molecular weight Mw(B) and average glass transition temperature TgB' (.degree. C.), and a softening agent to produce a rubber composition; or (iii) 100 parts by weight of a starting rubber comprising a starting rubber (A") comprising 20 to 100% by weight of a terminal-modified and/or coupled diene rubber and a starting rubber (B") comprising a terminal-unmodified and/or uncoupled rubber are mixed with a specific carbon black (X) in specific amounts at a temperature of at least 135.degree. C., followed by adding the starting rubber (B") and the remaining carbon black and a softening agent.

    摘要翻译: PCT No.PCT / JP96 / 03635 Sec。 371日期:1997年11月19日 102(e)日期1997年11月19日PCT Filted 1996年12月12日PCT公布。 第WO97 / 48766号公报 日期1997年12月24日(i)将具有平均玻璃化转变温度TgA(℃)的末端改性和/或偶合二烯橡胶的起始橡胶(A)与特定量的增强剂混合 在至少135℃的温度下混合,然后加入包含末端未改性二烯橡胶并具有比平均玻璃化转变温度TgB(℃)的起始橡胶(B),剩余的增强剂和软化 代理人 (ii)具有比重重均分子量Mw(A')和平均玻璃化转变温度TgA'(℃)的起始二烯橡胶(A')与增强剂接触,然后加入起始二烯橡胶( 具有比重重均分子量Mw(B)和平均玻璃化转变温度TgB'(℃)的软化剂B')和软化剂以产生橡胶组合物; 或(iii)100重量份的起始橡胶,其包含起始橡胶(A“),其包含20至100重量%的末端改性和/或偶合的二烯橡胶和起始橡胶(B”),其包含 末端未改性和/或未偶联的橡胶与特定碳黑(X)在至少135℃的温度下以特定量混合,随后加入起始橡胶(B“)和剩余的炭黑和 软化剂。

    Rubber composition containing carbon black
    8.
    发明授权
    Rubber composition containing carbon black 失效
    含有炭黑的橡胶组合物

    公开(公告)号:US5962575A

    公开(公告)日:1999-10-05

    申请号:US973240

    申请日:1997-12-03

    IPC分类号: B60C1/00 C08K3/04 C08K3/00

    CPC分类号: C08K3/04 B60C1/00 B60C1/0016

    摘要: A carbon-containing rubber composition containing a rubber composition containing carbon black, obtained by coagulating, dehydrating, and drying a rubber latex mixture containing a latex of at least one starting rubber A having an average glass transition temperature TgA of -120.degree. C. to -15.degree. C., carbon black, and part of a softening agent, mixed in an internal mixer with a starting rubber B and part of the softening agent, with a ratio F.sub.A /F.sub.B of the concentration F.sub.A of carbon black in the copolymer in the rubber latex mixture with the concentration F.sub.B of carbon black in the copolymer after kneading by the hermetic mixture being 1.2 to 3.0 and a rubber composition containing carbon black comprising a starting rubber A' comprising a polymer having functional groups represented by formula (I)--C.dbd.N'-- (I)bonded with a polymer chain directly or through another atomic group or a terminal modified diene-based polymer first brought into contact with carbon black, then blended with a starting rubber B' comprising a diene based stock rubber.

    摘要翻译: PCT No.PCT / JP97 / 01051 Sec。 371日期1997年12月3日第 102(e)日期1997年12月3日PCT 1997年3月27日PCT公布。 第WO97 / 38047号公报 日期1997年10月16日含有含有炭黑的橡胶组合物的含碳橡胶组合物,其通过凝固,脱水和干燥含有平均玻璃化转变温度TgA为至少一种起始橡胶A的胶乳的橡胶胶乳混合物而获得, 120℃〜-15℃,炭黑和部分软化剂,在内部混合器中与起始橡胶B和部分软化剂混合,比例FA / FB为碳浓度FA 通过密封混合物捏合后共聚物中的炭黑的浓度FB在橡胶胶乳混合物中的黑色黑色,并且含有炭黑的橡胶组合物包含含有由 式(I)-C = N' - (I)直接或通过另一原子团或末端改性二烯基聚合物与聚合物链键合,首先与炭黑接触,然后混合 用包含二烯基原料橡胶的起始橡胶B'。

    Rubber composition and process for producing thereof
    9.
    发明授权
    Rubber composition and process for producing thereof 失效
    橡胶组合物及其制造方法

    公开(公告)号:US5834552A

    公开(公告)日:1998-11-10

    申请号:US932302

    申请日:1997-09-17

    摘要: A process for producing a rubber composition comprising (i) a total amount of 100 parts by weight of starting rubbers (A) and (B), including 30 to 90 parts by weight of the starting rubber (A) having a glass transition temperature (Tg) of -40.degree. to 10.degree. C. and 10 to 40 parts by weight of the starting rubber (B) which is viscoelastically incompatible with the starting rubber (A) and has a Tg of at least 20.degree. C. lower than the Tg of the starting rubber (A) and (ii) 60 to 100 parts by weight of a reinforcing agent, wherein the starting rubber (A) and at least 80% by weight of the total weight of the reinforcing agent are mixed in a hermetic type mixer at 130.degree. C. to 200.degree. C. for at least 10 seconds, then the starting rubber (B) and the remaining reinforcing agent are added and mixed.

    摘要翻译: 一种橡胶组合物的制造方法,其特征在于,含有(i)100重量份的起始橡胶(A)和(B)的总量,包括30〜90重量份的具有玻璃化转变温度的起始橡胶(A) Tg)为-40〜10℃,和10〜40重量份与起始橡胶(A)粘弹性不相容的起始橡胶(B),并且Tg比所述起始橡胶(A)低至少20℃ 起始橡胶(A)的Tg和(ii)60〜100重量份的增强剂,其中起始橡胶(A)和至少80重量%的增强剂的总重量混合在密封 在130℃至200℃下搅拌至少10秒钟,然后加入起始橡胶(B)和剩余的增强剂并混合。